Messages in this thread Patch in this message | | | From | Jens Axboe <> | Subject | [PATCH 273/437] watchdog: rc32434_wdt: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:16:53 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/watchdog/rc32434_wdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c index 417f9b75679c..76c046c9beb9 100644 --- a/drivers/watchdog/rc32434_wdt.c +++ b/drivers/watchdog/rc32434_wdt.c @@ -161,9 +161,9 @@ static int rc32434_wdt_release(struct inode *inode, struct file *file) return 0; } -static ssize_t rc32434_wdt_write(struct file *file, const char *data, - size_t len, loff_t *ppos) +static ssize_t rc32434_wdt_write(struct kiocb *iocb, struct iov_iter *from) { + size_t len = iov_iter_count(from); if (len) { if (!nowayout) { size_t i; @@ -173,7 +173,7 @@ static ssize_t rc32434_wdt_write(struct file *file, const char *data, for (i = 0; i != len; i++) { char c; - if (get_user(c, data + i)) + if (get_iter(c, from)) return -EFAULT; if (c == 'V') expect_close = 42; @@ -243,7 +243,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd, static const struct file_operations rc32434_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .write = rc32434_wdt_write, + .write_iter = rc32434_wdt_write, .unlocked_ioctl = rc32434_wdt_ioctl, .compat_ioctl = compat_ptr_ioctl, .open = rc32434_wdt_open, -- 2.43.0
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